104 Rockwell Automation Publication 750-PM001N-EN-P - February 2017
Chapter 3 Drive Port 0 Parameters
PROTECTION
Predictive Maintenance
491 HSFan RemainLife
Heatsink Fan Remaining Life
Remaining number of hours until estimated end of life for heatsink fans, and is the
difference between P489 [HSFan TotalLife] and P490 [HSFan ElpsdLife]. All negative
values of this parameter need to be treated as excessive use (> 100%), and trigger the
appropriate action chosen by P493 [HSFan EventActn].
Use P472 [PredMaint Reset] to reset this parameter.
Frame 8 drives have a single inverter, and therefore a single heatsink fan.
The value of this parameter reflects the remaining life of that fan.
Frame 9 drives have two inverters, and therefore two heatsink fans.
Frame 10 drives have three inverters, and therefore three heatsink fans.
For frame 9 and 10 drives, the value of this parameter reflects the
shortest remaining life of all the heatsink fans.
Units:
Default:
Min/Max:
Hrs
0.00
–21474836.48 / 21474836.47
RO 32-bit
Integer
492 HSFan EventLevel
Heatsink Fan Event Level
Percent of total expected heatsink fan life for which an early warning alarm or fault can
be programmed.
Units:
Default:
Min/Max:
%
80.000
0.000 / 100.000
RW Real
493 HSFan EventActn
Heatsink Fan Event Action
Configures the response to a heatsink fan event, which occurs when P492 [HSFan
EventLevel] is met or exceeded.
“Ignore” (0) – No action is taken.
“Alarm” (1) – Type 1 alarm indicated.
“Flt Minor” (2) – Minor fault indicated. If running, drive continues to run.
Enable with P950 [Minor Flt Cfg]. If not enabled, acts like a major fault.
“FltCoastStop” (3) – Major fault indicated. Coast to Stop.
“Flt RampStop” (4) – Major fault indicated. Ramp to Stop.
“Flt CL Stop” (5) – Major fault indicated. Current Limit Stop.
Default:
Options:
0 = “Ignore”
0 = “Ignore”
1 = “Alarm”
2 = “Flt Minor”
3 = “FltCoastStop”
4 = “Flt RampStop”
5 = “Flt CL Stop”
RW 32-bit
Integer
494 HSFan ResetLog
Heatsink Fan Reset Log
Total number of resets performed on the P490 [HSFan ElpsdLife] parameter.
Note: This parameter is not used by PowerFlex 755 Frame 8 drives and larger.
Default:
Min/Max:
0
0 / 255 (unsigned 8 bits)
RO 32-bit
Integer
495 InFan Derate
Internal Fan Derate
Derating factor applied to P496 [InFan TotalLife]. Used to adjust total fan life for poor air
quality or vibration.
Default:
Min/Max:
1.00
0.01 / 1.00
RW Real
496 InFan TotalLife
Internal Fan Total Life
Total number of hours expected over the life of an internal fan. Calculated as a function
of fan manufacturer’s life data (from frame rating table), P470 [PredMaintAmbTemp]
and P495 [InFan Derate].
Total number of hours expected over the life of a single internal fan.
Calculated as a function of fan manufacturer's life data (from frame
rating table), P470 [PredMaintAmbTemp] and P495 [InFan Derate].
Units:
Default:
Min/Max:
Hrs
0.00
0.00 / 21474836.47 (31 bits)
RO 32-bit
Integer
File
Group
No. Display Name
Full Name
Description
Values
Read-Write
Data Type
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